| Argon | |
| Elemental State | Ar |
| Electron Configuration | 1s22s22p63s23p6 |
| First Ionization Potential | 15.760 eV |
| Electron Affinity | |
| Z* | 6.764 (Clementi-Raimondi) |
| Pauling Electronegativity | |
| Covalent Radius | |
| Metallic Radius | |
| Ionic Radius | |
| van der Waal's Radius | 1.88 Å |
| Melting Point | –189.3442 oC (triple point) |
| Boiling Point | –185.89 oC |
| Density | 1.7837 g/L |
| Other Properties | |